Computer tomography and quantum mechanics

Lev B. Klebanov, Svetlozar T. Rachev

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


In this paper we study some topics of interest to specialists in computer tomography. These are the following. (a) The Radon transform and its applications to computer tomography. (b) Problems of computer tomography with partially known data. Estimates of stability will be given for different types of distance in the space of probability distributions. We consider the problem with partially known tomographic data as a stability problem for appropriately chosen distances. This approach allows us to give a solution of the so-called computer tomography paradox. (c) The relation of quantum mechanics to computer tomography. An intriguing method for 'measuring' wavefunctions by tomographic methods (CAT scans) opens a new approach to various problems in quantum mechanics. Using the method outlined for the solution of the computer tomography paradox, we derive inequalities that estimate the amount of information on the wavefunctions resulting from real CAT scans, i.e. CAT scans based on the finite number of measured marginals (projections) of the Wigner distributions. In conclusion, we propose a new version of the mathematical justification of CAT scans.

Original languageEnglish
Pages (from-to)595-606
Number of pages12
JournalAdvances in Applied Probability
Issue number3
StatePublished - Sep 1997


  • Computer tomography
  • Moment problems
  • Quantum mechanics


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